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[gloo-tuh-meyt] /ˈglu təˌmeɪt/
a salt or ester of glutamic acid.
Origin of glutamate
1875-80; glutam(ic acid) + -ate2 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for glutamate
  • Serotonin and glutamate are two of them, and they have corresponding receptors to accept their chemical messages.
  • glutamate is a brain chemical that is thought to be involved in depression.
  • But in the amygdala another neurotransmitter, called glutamate, appears to dominate.
  • The compound is thought to work by reducing the synaptic release of a neurotransmitter called glutamate.
  • It is a precursor to gaba, glutamate and glycine in certain brain areas.
  • glutamate is the principal excitatory neurotransmitter in the mammalian cns.
British Dictionary definitions for glutamate


any salt of glutamic acid, esp its sodium salt See monosodium glutamate
Word Origin
C19: from glutam(ic acid) + -ate1
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for glutamate

1876, from glutamic acid (see gluten) + -ate (3).

Online Etymology Dictionary, © 2010 Douglas Harper
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glutamate in Medicine

glutamate glu·ta·mate (glōō'tə-māt')

  1. A salt of glutamic acid.

  2. An ester of glutamic acid.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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